c-common.c (warn_about_parentheses): Separate warning about un-parenthized sequence of comparison operators from the...

2007-01-31  Dirk Mueller  <dmueller@suse.de>

        * c-common.c (warn_about_parentheses): Separate warning about
        un-parenthized sequence of comparison operators from the one
        which is supposed to warn about x <= y <= z.

        * testsuite/gcc.dg/Wparentheses-2.c: Update and add new tests.

From-SVN: r121421